witnessed before. speaking to the people who came to las vegas for a good time, what is your reaction to them? >> i feel so bad for them. honestly, i just met another man right here, motor 8 that was looking for the wife and the best friend. the best friend wife got killed. i feel with the tears and everything going on them. i feel for such a person, because all they came to las vegas for is just to have fun, not to end their life. if they knew this was going to happen, they wouldn't even make that journey. >> listening to an eyewitness there, just people in shock, understandably. and the same there. and we have a witness joining us now, brian hefner. he is talking to us now. brian, what did you see? what did you witness? >> i didn't see much. mostly i heard the shots. just so many shots. i thought it was a semi braking,